这几题要过程和答案并简便运算
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/31 03:56:04
这几题要过程和答案并简便运算
(-64)+17+(-23)+68
63+72+(-96)+(-37)
(-52)+24+(-74)+12 (
-26)+52+16+(-72)
(-64)+17+(-23)+68
63+72+(-96)+(-37)
(-52)+24+(-74)+12 (
-26)+52+16+(-72)
![这几题要过程和答案并简便运算](/uploads/image/z/7304512-40-2.jpg?t=%E8%BF%99%E5%87%A0%E9%A2%98%E8%A6%81%E8%BF%87%E7%A8%8B%E5%92%8C%E7%AD%94%E6%A1%88%E5%B9%B6%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97)
(-64)+17+(-23)+68
=-64+17-23+68
=-87+85
=-2
63+72+(-96)+(-37)
=63+72-96-37
=135-133
=2
(-52)+24+(-74)+12
=-52+24-74+12
=-126+36
=-90
(-26)+52+16+(-72)
=-26+52+16-72
=68-98
=-30
=-64+17-23+68
=-87+85
=-2
63+72+(-96)+(-37)
=63+72-96-37
=135-133
=2
(-52)+24+(-74)+12
=-52+24-74+12
=-126+36
=-90
(-26)+52+16+(-72)
=-26+52+16-72
=68-98
=-30